Screw driver and socket wrench attachment



Feb. 15, 1938. T. MILLER 2,108,344

SCREW DRIVER AND SOCKET WRENCH ATTACHMENT Filed Sept. 25, 1936 I8 1 l917 I0 I I THOMAS MILL E R INVENTOR.

BY W Main ATTORNEY Patented F b. '15, 193s -NlTE SUREW DRIVER 1. iiSQCKIE'E' WRENCH ATTACHNT Thomas mlle'r, Brooklyn," N. WApplicationSept'ember 25, last, Serial No. 102,467 I his.v (cast-rel) IThis invention relates to socket wrenches operated by a screw driver andan object is to provide a simple duplex clip mounted on the socketwrench and-adapted to grip the reduced shank a portion above the bit ofthe screw driver.

Another object of this invention is to provide a socket wrench havingintegrally secured there-r to a duplex elastic resilient spring cliphaving two arms disposed longitudinally of the socket lid and designedfor resiliently gripping theshank portion above the bit of a screwdriver having sideways extending shoulders whereby the arms interlockwith said shank portion directly above said shoulders and afford,suiiicient resistance it against disengagement while'at' the same time acomparatively slight push or pull applied centrally to the screw driverthrough the medium of its handle is suficient to overcome the resistanceafiorded by the spring arms so that the screw 2o driver may beintentionally removed or replaced with comparative ease. f

Another object of this invention is to provide modified engagement meanswhereby the duplex clip is mounted in the socket wrench and is adaptasedto grip the end walls of the bit of a screw "driver.

With the above and other objects in view, the invention will behereinafter more particularly described, and the combination andarrangement dd of parts will be shown in the accompanying drawing andpointed out in the claims which form part of this specification.

Reference will now be had to the drawing;

wherein like numerals of reference designate cor-"' gs responding partsthroughout the several views,

in which:

Figure 1 is a front elevation of a screw driver mounted in a socketwrench body and held fast by two resilient arms engaging the shouldersof so the bit of the screw driver.

; Figure 2 is atop view of the assembled socket wrench body andresilient holding means. v Figure 3 is a bottom view of the socketwrench body. 45 Figure 4 is a front elevation of a modified sg l twrench body and resilient holding means in assembled relation.

Figure 5 is a front elevation of the modified socket wrench body. s 50Figured is a cross-sectional view of a modified drivers having parallelend walls.

socket wrench body and holding means for screw- Figure 7 is a frontelevation of an adapter used for coupling a screw driver and a socketwrench as body of usual construction.

In the illustrated embodiment of the invention shown in Figures 1 to 3inclusive, the numeral id indicates the body of a socket wrench whichpreferably has an upper end ii of circular form Y and of smallerdiameter than the lower end.. The 5 upper end has a rectangular anddownwardly tapering opening it designedto permit entrance of thetapering bit of a screw driver.

Figure 1 shows the bit it of'a screw driver it I inserted in the openingit. The bit M is defined 10 from the'shank it by two shoulders it whichproject out from the shank. The widthof the bit at the shoulders isgreater than that at its lower end it and when looking'at the front faceappearslightly tapering with the smallest end of thetaper directedoutward. v As shown in Figure 2; the lengthwise sides of the rectangularopening it taper considerably to correspond with the considerablytapering front and rear faces of the bit as is usual in screw driverconstruction. 1 v

For the purpose of securing the screw driver it and the socket wrenchbody it in unitary relation, I have provided a resilient holdingmeans ithaving a tubular body portion it designed to frictionally embrace theupper end ii of the body it, The tubular body portion i9 is slit at M ina longitudinal direction and the two edges at the slit are slightlycurved outwardly. Projecting upwardly from the tubular body it are twoarms 26 which are resilient in actiona d have inwardly turned ends or'terminals 22. e arms 2i slidably operate on opposite end walls of thebit it and interlock with the shank it above the shoulders iii. The armsZi have at the free and inwardly turned ends 22 outwardly projectingextensions 23 which facilitate the insertion or removal of a screwdriver from the opening i2.

It is to be noted that the tubular body portion M it of the resilientholding means it is designed so as to be frictionally slid over thereduced upper end ii of the socketwrench body It! 'andso that it may beremoved'therefrom at will.

Figure 4 shows amodifled socket. wrench body 25 and a-mddifled resilientholding means 26. The modified socket wrench body 25 has a reduced upperend Ti and a circular. groove--28, best shown in Figure 5.-v The springholding means 26 is preferablymade from a fiat annular 5 'body 29 whichis split'at 3Iland haslongitudi pally extending spring arms 3i, similarto the 3 spring arms H. The extensions-32 of the arms 3| may be furtherextended and made in-cor-.

rug'ated form, as shown-at 33 in Figure 9: so that of the screw driver,the end wallsof the bit id 15 shown) and clamping the flat annular body28 therein.

Figure 6 shows a modified socket wrench body 35 whichmay have a reducedupper end 36 and a duplex clip or resilient frictional holding means.=38 mounted in the body. The body 35 has an opening 31 designedforreceiving and securing a screw driver having parallel end walls.

Figure 7 shows an adapter 40 for-coupling a screw driver, havingshoulders and a socket wrench body of usual construction, thatis, a

body 4| having an upper hexagonal opening-42 for a handle (not shown)and a lower hexagonal opening 43 tor receiving a hexagonal nut. Theadapter 40 has a lower extension or handle 44 with the usualspring-pressed ball 45 for irice tional engagement with the opening 42in the body 4|. The adapter body 40 has an opening 46 in its upper endto receive a screw driver (not Mounted on the body 40 is a circularspring clip 41 having an upper extension 48 and an inwardly turned end49 which is designed for engagement with the shoulders of the shank of ascrew driver similar to that shown in Figure 1.

It is to be noted that the spring holding means or clips shown herewithmay have one ormore arms for securing a screw driver and these clipsmay'be permanently secured to the socket wrench body or may frictionallybe, disengaged therefrom.

I claim: 1.- A socket wrench attachment for screw drivers having atapering bit portion wider than the shank and forming shoulders,comprising a' socket wrench having a tapering opening designed toreceive the tapering bit of said screw driver,

socket wrench longitudinally of said opening, said arms being disposedrelative to said opening so as to face the shoulders of said screwdriver, said arms being of a length to grip thescrew driver shankdirectly above said shoulders and attach the socket wrench and saidscrew driver in unitary relation by positive interlocking engagement.

2. A socket wrench attachment for screwdrivers having a tapering bitportion widergthan the shank and forming shoulders, comprising a memberhaving a tapering opening designed to receive the tapering bit of saidscrew driver, spring means comprising two resilient arms held by saidmember longitudinally of said opening, each of said arms being formedwith a curved terminal adapted to spring over said shoulders, said armssocket wrench" being disposed relative to said openingso as to face theshoulders of said screw driver, said arms being of a length to grip thescrew driver shank .directly above said shoulders and attach said memberand said screw driver in unitary relation by positive interlockingengagement, said-member having an extensionat its lower end,andsaidextension having spring-pressed means for attachment to a socketwrench. n

3'. A socket wrench attachment for screw drivshank and formingshoulders, comprising a socket spring means comprising two resilientarms held .by-said socket wrench longitudinally of said opening, each orsaid arms being formed with one or more. curved terminals respectivelyadapted to spring over said'shoulders, said arms being disposed relativeto said opening so as to face the shoulders of said screw driver, saidarms being of a length to grip the screw driver shank directly abovesaid shoulders and attach the socket wrench and said screw driver inunitary relation by positive interlocking engagement;

.4. In a-screw driver and socket wrench combination of the classdescribed, comprising a socket wrench member having a tapering openingto receive the bit of a screw driver, a screw ways above the bit, aconnecting spring member having an annular body portion at one end deershaving a tapering bit portion wider than the wrench having attaperingopening designed to receive the-taperingbit of said screw driver,

signed to inter ck with said socket wrench, said an annular groove inthe external surface 01! said reduced end, said groove being adapteoreceive said annular body portion of said s" 'ing, said spring havingarms of a length to grip the screw ody having a reduced end anddrivershank directly-above said shoulders and spring means comprising two armsheld by said attach the socket wrench and said screwi driver,

in unitary relation by positive interlocking -engagement.

5. A socket wrench attachment-tor screw dri'vers having a tapering bitportion wider than the shank and forming shoulders, comprising a sock-,

et having a tapering opening designed to receive .the tapering bit ofsaid screw driver, spring means held by said socket longitudinally ofsaid opening, said spring means being disposed relative to said openingso as to grip the shoulders of said screw driver, said spring meansbeing of a length to grip the screw driver directly above said

